In what situation can new Struct() return null?

[Cym13]

On Friday, 10 May 2019 at 10:11:51 UTC, faissaloo wrote:
> My program contains the following statement:
>     auto newChildNode = new Node();
>
> In debugging I have found that this pointer evaluates to null, 
> what could cause this? I should have plenty of memory, my only 
> other idea is some sort of heap corruption.

Could you share a complete, concise, compilable example 
demonstrating that bug? One line is rather short to understand 
what's happening.